16 terms

Physical Science Chapter 1

Scientific Theory
is an explanation that has been tested by repeated observations
Scientific Law
states a repeated observation by nature; may be changed when observations are made that are not consistent with predictions
scientific model
is a representation of an object or event that can be studied to understand the real object or event.
computer models
used by scientists to represent real situations and make predictions in a variety of applications
scientific method
critical thinking used to solve scientific problems; Approaches taken to try & solve a problem ; can include recognizing the problem , forming a hypothesis, testing the hypothesis, analyzing the data, and drawing conclusions
Step 1 Scientific method
person asks a question
Step 2 Scientific method
person collects data about the question
Step 3 Scientific method
person forms a hypothesis
Step 4 Scientific method
person draws a conclusion
Step 5 Scientific method
person may modify the hypothesis based on results
the force in which gravity pulls of the quantity of matter (pg 18)
the straight line distance between 2 points
a measure of the quantity of matter an object has
a measure of space such as the capacity of a container
liquid volume
uses a graduated cylinder to measure volume
solid volume
this olume has a specific geometric shape that can be measured from the length of its surfaces